package jdbc;

import com.alibaba.druid.pool.DruidDataSource;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

/**
 * 使用当前类管理数据库链接
 */
public class DBUtil {

    private static DruidDataSource druidDataSource;
    static {
       druidDataSource=new DruidDataSource();
       druidDataSource.setUrl("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true");
       druidDataSource.setUsername("root");
       druidDataSource.setPassword("root");

       druidDataSource.setInitialSize(5);//初始化连接数量
        druidDataSource.setMaxActive(20);//最大链接数
        druidDataSource.setMinIdle(5);
    }
    public static Connection getConnection() throws SQLException{
        return druidDataSource.getConnection();
    }
}
